https://shop.brandtech.com/en/bottle-4l-pp-with-cap-unmachined-w-o-filter-connection-for-hose-blind-plug-20638246.html
Bottle 4L PP with cap, unmachined (w/ofilter, connection for hose, blind plug)
Bottle 4L PP with cap, unmachined (w/o filter, connection for hose, blind plug)